A 3D printed nylon replacement will resist cracking and be more durable than the factory ABS part. Please see photo #2 for insight as to why the original A5 part made of the factory ABS plastic likely cracked in the first place (Note: Heat should never be applied to 3D printed nylon parts).
Please explore the Thundershot Pit Stop's storefront on Shapeways to find
an extensive selection of Tamiya Thundershot, Fire Dragon, Thunder Dragon, and
Terra Scorcher parts. Selections include many essential pieces like:
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